<template>
    <div  class="app-container">
        <div class="el-toolbar">
            <div class="el-toolbar-body" style="justify-content: flex-start;">
                <el-button type="text" @click="exportData"><i class="fa fa-plus"/> 导出</el-button>
                <el-button type="text" @click="importData"><i class="fa fa-plus"/> 导入</el-button>
            </div>

            <el-dialog title="导入" :visible.sync="dialogImportVisible" width="480px">
            <el-form label-position="right" label-width="170px">
                <el-form-item label="文件">
                    <el-upload
                            :multiple="false"
                            :on-success="onUploadSuccess"
                            :action="'http://localhost:8202/admin/cmn/dict/importData'"
                            class="upload-demo">
                        <el-button size="small" type="primary">点击上传</el-button>
                        <div slot="tip" class="el-upload__tip">只能上传xls文件，且不超过500kb</div>
                    </el-upload>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogImportVisible = false">取消</el-button>
            </div>
        </el-dialog>
        </div>
        
    <el-table
        :data="list"
        style="width: 100%"
        row-key="id"
        border
        lazy
        :load="load"
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}">

        <el-table-column
        prop="name"
        label="名称"
        width="150">
        </el-table-column>

        <el-table-column
        prop="dictCode"
        label="编码"
        width="150">
        </el-table-column>

        <el-table-column
        prop="value"
        label="值"
        width="150">
        </el-table-column>

        <el-table-column
        prop="createTime"
        label="创建时间">
        </el-table-column>

    </el-table>
    </div>
</template>

<script>
import dict from '@/api/yygh/dict'
export default{
    data(){
        return {
            dialogImportVisible: false,
            list:[]//数据字典列表数组
        }
    },
    created(){
        this.getDictList(1)//查询一级列表
    },
    methods:{
        //数据字典列表
        getDictList(id){
            dict.dictList(id).then(resp => {
                this.list = resp.data.list
            })
        },
        load(tree,treeNode,resolve){
            console.log(tree.id)//当前数据节点的id属性
            setTimeout(() => {
                // 方法的参数是一个数组，表示下级列表
                // 点击> 符号，查询下级列表，集合数据方法resolve方法中即可
                dict.dictList(tree.id).then(resp=>{
                  resolve(resp.data.list)
                })
            }, 1000)
        },
        exportData() {
            window.open("http://localhost:8202/admin/cmn/dict/exportData")
        },
        importData() {
            //打开弹出框
            this.dialogImportVisible = true
        },
        onUploadSuccess(response, file) {
            this.$message.info('上传成功')
            this.dialogImportVisible = false//关闭弹出层
            this.getDictList(1)
        },
    }
}
</script>